[INFO] cloning repository https://github.com/scttcper/wcwidth.rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/scttcper/wcwidth.rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fscttcper%2Fwcwidth.rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fscttcper%2Fwcwidth.rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 07e4ce51b4382809ec52bbb16839023ad8d33ed0
[INFO] testing scttcper/wcwidth.rs against master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fscttcper%2Fwcwidth.rs" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/scttcper/wcwidth.rs on toolchain 8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/scttcper/wcwidth.rs
[INFO] finished tweaking git repo https://github.com/scttcper/wcwidth.rs
[INFO] tweaked toml for git repo https://github.com/scttcper/wcwidth.rs written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/scttcper/wcwidth.rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 043dee62097e46d566525e702388ffe9851d6af78e03b51236be07bae25b299e
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "043dee62097e46d566525e702388ffe9851d6af78e03b51236be07bae25b299e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "043dee62097e46d566525e702388ffe9851d6af78e03b51236be07bae25b299e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "043dee62097e46d566525e702388ffe9851d6af78e03b51236be07bae25b299e", kill_on_drop: false }`
[INFO] [stdout] 043dee62097e46d566525e702388ffe9851d6af78e03b51236be07bae25b299e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 663b5f6e5dba521ea2eb8702bcbaeeb84d5286b6f24cb1907370c39f3167198a
[INFO] running `Command { std: "docker" "start" "-a" "663b5f6e5dba521ea2eb8702bcbaeeb84d5286b6f24cb1907370c39f3167198a", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-segmentation v1.2.1
[INFO] [stderr]    Compiling wcwidth v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.13s
[INFO] running `Command { std: "docker" "inspect" "663b5f6e5dba521ea2eb8702bcbaeeb84d5286b6f24cb1907370c39f3167198a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "663b5f6e5dba521ea2eb8702bcbaeeb84d5286b6f24cb1907370c39f3167198a", kill_on_drop: false }`
[INFO] [stdout] 663b5f6e5dba521ea2eb8702bcbaeeb84d5286b6f24cb1907370c39f3167198a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7c84c028d42f8ab985dc989b4f3034a5f487ba80fe5dd5f0fa2f8a2cd20481fe
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "7c84c028d42f8ab985dc989b4f3034a5f487ba80fe5dd5f0fa2f8a2cd20481fe", kill_on_drop: false }`
[INFO] [stderr]    Compiling wcwidth v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.91s
[INFO] running `Command { std: "docker" "inspect" "7c84c028d42f8ab985dc989b4f3034a5f487ba80fe5dd5f0fa2f8a2cd20481fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c84c028d42f8ab985dc989b4f3034a5f487ba80fe5dd5f0fa2f8a2cd20481fe", kill_on_drop: false }`
[INFO] [stdout] 7c84c028d42f8ab985dc989b4f3034a5f487ba80fe5dd5f0fa2f8a2cd20481fe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c3e7b2182e720f7c161d8b7d21e88e5535fc23eabef783867f89c1c4f2d5510d
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "c3e7b2182e720f7c161d8b7d21e88e5535fc23eabef783867f89c1c4f2d5510d", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/wcwidth-7b5463ce19e88327
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/tests-008eff8da5da6f07
[INFO] [stdout] 
[INFO] [stdout] running 11 tests
[INFO] [stdout] test test::custom_value_for_nul ... ok
[INFO] [stdout] test test::custom_value_for_control ... ok
[INFO] [stdout] test test::ignore_mixed_nulls_and_chars ... ok
[INFO] [stdout] test test::multibyte_characters_with_regular_characters ... ok
[INFO] [stdout] test test::ignore_bad_input ... ok
[INFO] [stdout] test test::regular_strings ... ok
[INFO] [stdout] test test::ignore_null_charcode ... ok
[INFO] [stdout] test test::exploration ... ok
[INFO] [stdout] test test::ignore_control_characters ... ok
[INFO] [stdout] test test::multibyte_strings ... ok
[INFO] [stdout] test test::negative_custom_value_for_control ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 11 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests wcwidth
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c3e7b2182e720f7c161d8b7d21e88e5535fc23eabef783867f89c1c4f2d5510d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3e7b2182e720f7c161d8b7d21e88e5535fc23eabef783867f89c1c4f2d5510d", kill_on_drop: false }`
[INFO] [stdout] c3e7b2182e720f7c161d8b7d21e88e5535fc23eabef783867f89c1c4f2d5510d